Lab-grown Diamond Prices

Lab-Grown diamond prices have varied slightly over the past few weeks.

In the last 21 days, lab-grown diamond prices in United Kingdom have decreased by 0.4% across our database of 454,151 lab-grown diamonds.

Lab-Grown Diamond Price Change in United Kingdom

Factors affecting lab-grown diamond prices in the UK

Lab-grown diamonds have emerged as a popular alternative to natural diamonds, offering similar characteristics at a lower price point. The factors influencing the pricing of lab-grown diamonds are distinct from those affecting natural diamonds, largely due to differences in production methods, market dynamics, and consumer perceptions.

Technological Advances

The cost of lab-grown diamonds is heavily influenced by technological advancements in their production. There are two primary methods for creating lab-grown diamonds: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD).

HPHT mimics the natural conditions under which diamonds form by applying intense heat and pressure to carbon material. CVD, on the other hand, grows diamonds by breaking down carbon-rich gases in a chamber, allowing carbon atoms to deposit onto a diamond seed. Improvements in both methods have increased efficiency, reduced production costs, and enhanced the quality of the diamonds produced. As technology continues to advance, the cost of producing lab-grown diamonds decreases, leading to lower prices for consumers.

Market Competition

The lab-grown diamond market has seen a significant increase in the number of producers and retailers. This surge in competition drives prices down as companies seek to attract customers with more affordable offerings. Additionally, economies of scale achieved through larger production volumes have further reduced costs. The result is a market where consumers can find high-quality lab-grown diamonds at prices substantially lower than their natural counterparts.

Individual Pricing Factors

The characteristics of lab-grown diamonds contribute to their pricing in ways that differ from natural diamonds. In terms of shape and cut, lab-grown diamonds are produced in controlled environments, allowing for greater consistency and precision. This control means that cutters can focus on achieving ideal proportions without the constraints of preserving as much weight from the rough stone as possible, often leading to better-cut diamonds at lower prices.

Carat weight affects lab-grown diamond prices, but the relationship between size and cost is more linear compared to natural diamonds:

Lab-grown Diamond Prices by Carat Weight in United Kingdom

Larger lab-grown diamonds are more accessible because they can be produced intentionally, reducing the rarity factor that drives up prices for larger natural diamonds.

Quality factors such as colour and clarity are more easily managed in lab-grown diamonds. Producers can adjust the growing conditions to minimize impurities and colour tints, resulting in higher clarity and colour grades. As a result, most lab-grown diamonds on the market have high clarity and are colourless or near-colourless. This consistency allows consumers to obtain higher quality diamonds without the significant price increases seen in natural diamonds for similar grades.

Interestingly, very low clarity lab-grown diamonds are not commonly produced because the market demand for them is minimal. Consumers seeking lab-grown diamonds often prioritize quality and are unwilling to purchase stones with visible inclusions. Therefore, producers focus on creating higher clarity diamonds to meet market expectations.

Making an Informed Decision

Technological advancements mean you can obtain a larger or higher-quality diamond for the same budget compared to a natural diamond. Emphasizing an excellent cut will maximise brilliance and beauty, just as with natural diamonds.

Since lab-grown diamonds often come with high clarity and colour grades by default, you can focus on selecting the shape and carat weight that best suits your preferences. Prices for lab-grown diamonds are generally lower and more consistent, making it easier to find a stone that fits both your aesthetic desires and budget.

As with any significant purchase, ensure that your lab-grown diamond comes with certification from a reputable laboratory, such as the IGI or GIA. This certification verifies the diamond's characteristics and confirms how it has been produced.

By understanding the factors that affect lab-grown diamond prices, you can make a choice that aligns with your values and offers exceptional beauty and value.

Lab-grown diamond prices by carat weight in the UK

The table below shows lab-grown diamond prices in the UK at a range of carat weights. You can see that unlike natural diamonds, the price per carat weight does not increase significantly as carat weight increases, as large lab-grown diamonds can be made in significant numbers.

Click on any price to learn more.

Carat WeightPricePrice per Carat7 Day Price Change
0.30 Carat£102.73£342.450.18%
0.40 Carat£109.77£274.42-4.38%
0.50 Carat£124.11£248.23-8.19%
0.60 Carat£149.03£248.39-6.51%
0.70 Carat£155.07£221.53-13.21%
0.80 Carat£169.93£212.42-6.50%
0.90 Carat£168.42£187.13-9.08%
1.00 Carat£178.45£178.45-10.99%
1.50 Carat£300.42£200.280.77%
2.00 Carat£443.15£221.570.98%
2.50 Carat£600.90£240.364.18%
3.00 Carat£747.70£249.231.26%
4.00 Carat£814.84£203.71-1.36%
5.00 Carat£999.02£199.80-14.40%
6.00 Carat£1,590.26£265.04-5.04%
7.00 Carat£1,814.59£259.23-1.02%
8.00 Carat£2,416.47£302.06-1.59%
9.00 Carat£3,040.23£337.80-1.01%
10.00 Carat£3,709.91£370.99-1.27%
11.00 Carat£4,613.81£419.440.20%
12.00 Carat£5,871.65£489.30-2.31%